Fields extraction
=================

To simplify fields extraction and addition to the mesh, 
the following classes are provided.

.. autoclass:: stagpyviz.StagField
  :members:

.. autoclass:: stagpyviz.DerivedField
  :members:

.. autoclass:: stagpyviz.Velocity
  :members:

.. autoclass:: stagpyviz.Pressure
  :members:

.. autoclass:: stagpyviz.SphericalField
  :members:

.. autoclass:: stagpyviz.CartesianGradient
  :members:

.. autoclass:: stagpyviz.SphericalVectorGradient
  :members:

.. autoclass:: stagpyviz.StagSurfaceField
  :members:

.. autofunction:: stagpyviz.fields_instances

.. autofunction:: stagpyviz.surface_fields_instances